definition of a rectangle quadrilateral
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Rectangle more ... A 4-sided flat shape with straight sides where all interior angles are right angles (90°). Also opposite sides are parallel and of equal length. Example: A square is a special type of rectangle. Try moving any point below:
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Shape: Quadrilateral Shape: Quadrilateral. Quadrilateral. A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.) Meaning. A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.) Some examples of quadrilaterals: Discussions of 2-D shapes sometimes refer only to the boundary (the line segments that form the edges of the figure) or to the interior as well.
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Parallelogram Parallelogram. A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle. parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle.
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Quadrilateral Parallelogram: a quadrilateral with two pairs of parallel sides. Equivalent conditions are that opposite sides are of equal length; that opposite angles are equal; or that the diagonals bisect each other. Parallelograms also include the square, rectangle, rhombus and rhomboid.
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- All quadrilaterals have 4 sides. A square has got 4 sides of equal length and 4 right angles (right angle = 90 degrees). A Rhombus has got 4 sides of equal length and opposite sides are parallel and angles are equal. The rectangle (oblong) contains 4 right angles (an angle of 90˚).
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What is a parallelogram with four right angles? Well all for sided figures are known as quadrilaterals and if a quadrilateral has 4 right angles, it would either be a square or rectangle. A square is a quadrilateral that has 4 right angles and 4 equal sides. A rectangle, however, is a quadrilateral that has 4 right angles with two sets of parallel lines! 2k Views · View Upvoters
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- Well, any shape that has four sides is a quadrilateral. When all four angles are 90 degrees, you can either form a rectangle or a square. In the case of the square, all sides must be congruent, as opposed to the rectangle which must have 2 sides equal but not all 4. Hope this helps.
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Talk:Triangle/Archive 1 All quadrilaterals have 4 sides. A square has got 4 sides of equal length and 4 right angles (right angle = 90 degrees). A Rhombus has got 4 sides of equal length and opposite sides are parallel and angles are equal. The rectangle (oblong) contains 4 right angles (an angle of 90˚).It has got 2 pairs of equal length sides. A parallelogram is a rectangle that has been pushed over.ll quadrilaterals have 4 sides. A square has got 4 sides of equal length and 4 right angles (right angle = 90 degrees). A Rhombus has got 4 sides of equal length and opposite sides are parallel and angles are equal. The rectangle (oblong) contains 4 right angles (an angle of 90˚).
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What shape am I? A parallelogram has two parallel pairs of opposite sides. A rectangle has two pairs of opposite sides parallel, and four right angles. It is also a parallelogram, since it has two pairs of parallel sides. A square has two pairs of parallel sides, four right angles, and all four sides are equal. It is also a rectangle and a parallelogram. A rhombus is defined as a parallelogram with four equal sides.
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Quadrilaterals A quadrilateral is a closed plane figure bounded by four line segments. For example, the figure ABCD shown here is a quadrilateral. A line segment drawn from one vertex of a quadrilateral to the opposite vertex is called a diagonal of the quadrilateral. For example, AC is a diagonal of quadrilateral ABCD, and so is BD. There are six basic types of quadrilaterals: Opposite sides are parallel and equal.
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- Definition: A rectangle is a parallelogram with four right angles. *Rectangle I have all of the properties of the parallelogram PLUS - 4 right angles-diagonals congruent Using the definition, the properties of the rectangle can be proven true and become theorems. rectangle is a parallelogram with four right angles. While the definition states parallelogram, it is sufficient to say: A quadrilateral is a rectangle if and only if it has four right angles., since any quadrilateral with four right angles is a parallelogram. 2.
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Properties of Rectangles, Rhombuses, and Squares Notice that the definition of a square is a combination of the definitions of a rectangle and a rhombus. Therefore, a square is both a rectangle and a rhombus, which means that the properties of parallelograms, rectangles, and rhombuses all apply to squares. Because squares have a combination of all of these different properties, it is a very specific type of quadrilateral.
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Classification of Quadrilaterals An equiangular quadrilateral, i.e. the one with all angles equal is a rectangle. All angles of a rectangle equal 90°. An equilateral quadrilateral, i.e. the one with all sides equal, is a rhombus. In a square, rectangle, or rhombus, the opposite side lines are parallel. A quadrilateral with the opposite side lines parallel is known as a parallelogram. If only one pair of opposite sides is required to be parallel, the shape is a trapezoid.
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Square A square is a special case of a isosceles trapezoid, kite, parallelogram, quadrilateral, rectangle, rhombus, and trapezoid. The diagonals of a square bisect one another and are perpendicular (illustrated in red in the figure above). In addition, they bisect each pair of opposite angles (illustrated in blue).
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Parallelogram Definition: A parallelogram has two pairs of parallel sides. • The opposite sides of a parallelogram ar e congruent. • A parallelogram has no reflectional symmetry. • A parallelogram has rotational symmetry of 180º (Order 2). Definition: A rectangle is a parallelogram with 4 right angles.
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Talk:Triangle/Archive 1 Share This BrainRush: 1  A square is a rectangle. 2  A square is a rhombus. 3  A parallelogram has two pairs of parallel sides.  A square has 4 right 1  angles. A rhombus has four equal sides.  A quadrilateral has interior angles that add up to 360 1  degrees. A square has four equal sides and four right angles.  A kite is a parallelogram only when it is a rhombus.
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Talk:Triangle/Archive 1 All quadrilaterals have 4 sides. A square has got 4 sides of equal length and 4 right angles (right angle = 90 degrees). A Rhombus has got 4 sides of equal length and opposite sides are parallel and angles are equal. The rectangle (oblong) contains 4 right angles (an angle of 90˚). square has got 4 sides of equal length and 4 right angles (right angle = 90 degrees). A Rhombus has got 4 sides of equal length and opposite sides are parallel and angles are equal. The rectangle (oblong) contains 4 right angles (an angle of 90˚).
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- A Rectangle specifies an area in a coordinate space that is enclosed by the Rectangle object's upper-left point (x,y) in the coordinate space, its width, and its height. A Rectangle object's width and height are public fields. The constructors that create a Rectangle, and the methods that can modify one, do not prevent setting a negative value for width or height. A Rectangle whose width or height is exactly zero has location along those axes with zero dimension, but is otherwise considered empty.
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Quadrilateral A Hjelmslev quadrilateral is a quadrilateral with two right angles at opposite vertices. Concave quadrilaterals. In a concave quadrilateral, one interior angle is bigger than 180° and one of the two diagonals lies outside the quadrilateral. A dart (or arrowhead) is a concave quadrilateral with bilateral symmetry like a kite, but one interior angle is reflex. See (concave) kite.
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Quadrilateral 1 An equivalent condition is that opposite sides are parallel (a square is a parallelogram), that the diagonals perpendicularly bisect each other, and are of equal length. 2  A quadrilateral is a square if and only if it is both a rhombus and a rectangle (four equal sides and four equal angles). Kite: two pairs of adjacent sides are of equal length. 2  This implies that one diagonal divides the kite into congruent triangles, and so the angles between the two pairs of equal sides are equal in measure. 3  It also implies that the diagonals are perpendicular.
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Classifying Quadrilaterals A quadrilateral is a four- sided polygon with four angles. A Quadrilateral has: Four sides. Four vertices The interior add upto 360 degrees. The five most co...
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Quadrilaterals A square also fits the definition of a rectangle (all angles are 90°), and a rhombus (all sides are equal length). NOTE: Squares, Rectangles and Rhombuses are all Parallelograms! is a square! A trapezoid (called a trapezium in the UK) has one pair of opposite sides parallel.
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Shape: Quadrilateral A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.). A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.). Some examples of quadrilaterals: Discussions of 2-D shapes sometimes refer only to the boundary (the line segments that form the edges of the figure) or to the interior as well.
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- All quadrilaterals have four sides, four vertices and four angles. A quadrilateral where all sides have the same length can also be called a square, a rhombus, a rectangle, an…d a parallelogram. * * * * * If all 4 sides are equal it is a square or a rhombus but not a rectangle or parallelogram.
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Quadrilateral 1 Rectangle: all four angles are right angles. 2  An equivalent condition is that the diagonals bisect each other and are equal in length. 3  Informally: a box or oblong (including a square). 4  Square (regular quadrilateral): all four sides are of equal length (equilateral), and all four angles are right angles. Rectangle: all four angles are right angles. 2  An equivalent condition is that the diagonals bisect each other and are equal in length. 3  Informally: a box or oblong (including a square). 4  Square (regular quadrilateral): all four sides are of equal length (equilateral), and all four angles are right angles.
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Geometry Symbols In Euclidean plane geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length.